Cap for microtube



FIG. 1 is a top perspective view of a cap for microtube in accordance with the present design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side elevation view thereof;

FIG. 4 is a rear side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dot dash dot broken line in FIG. 2 depicts the boundary of the claim and form no part thereof.

The dash lines depict portions of the cap for microtube that form no part of the claimed design. 

CLAIM The ornamental design for a cap for microtube, as shown and described. 